Finding the Fourth Proportional to 868,190.13, 1,302,334.40 and 269,236.44
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Solution
The fourth proportional to 868,190.13, 1,302,334.40 and 269,236.44 is: 403,869.92
Step by Step Solution
- Step 1: Write the proportion equation
868,190.13 : 1,302,334.40 = 269,236.44 : x - Step 2: Convert to fraction form
868,190.13/1,302,334.40 = 269,236.44/x - Step 3: Cross multiply
868,190.13x = 1,302,334.40 × 269,236.44 - Step 4: Simplify right side
868,190.13x = 350,635,877,545.54 - Step 5: Solve for x
x = 350,635,877,545.54/868,190.13 - Step 6: Final answer
x = 403,869.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.